DE2121239A1 - Funktionsprüfgerät für Erdschluß-Leistungsschalter - Google Patents
Funktionsprüfgerät für Erdschluß-LeistungsschalterInfo
- Publication number
- DE2121239A1 DE2121239A1 DE19712121239 DE2121239A DE2121239A1 DE 2121239 A1 DE2121239 A1 DE 2121239A1 DE 19712121239 DE19712121239 DE 19712121239 DE 2121239 A DE2121239 A DE 2121239A DE 2121239 A1 DE2121239 A1 DE 2121239A1
- Authority
- DE
- Germany
- Prior art keywords
- capacitor
- circuit
- function test
- test device
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control
- H02H3/335—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2120170 | 1970-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2121239A1 true DE2121239A1 (de) | 1971-11-18 |
Family
ID=10158887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712121239 Pending DE2121239A1 (de) | 1970-05-02 | 1971-04-30 | Funktionsprüfgerät für Erdschluß-Leistungsschalter |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3745453A (enExample) |
| DE (1) | DE2121239A1 (enExample) |
| FR (1) | FR2088286B1 (enExample) |
| GB (1) | GB1333918A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU505689B2 (en) * | 1976-02-10 | 1979-11-29 | Email Limited | Current operated core balance protective test unit |
| FR2379905A1 (fr) * | 1977-02-02 | 1978-09-01 | Lebocey Industrie | Appareil pour le controle d'un dispositif de protection differentiel |
| US4114092A (en) * | 1977-07-25 | 1978-09-12 | Fry Jr James H | Power circuit identifier which produces a voltage pulse in response to interruption of power |
| GB2124786A (en) * | 1982-08-03 | 1984-02-22 | British Nuclear Fuels Ltd | Testing device for circuit breakers |
| US4560936A (en) * | 1984-12-24 | 1985-12-24 | Westinghouse Electric Corp. | Programmable controller system with failure indicator |
| US4803434A (en) * | 1988-03-18 | 1989-02-07 | Westinghouse Electric Corp. | Test device for circuit breakers having electronic trip units |
| EP0476431B1 (en) * | 1990-09-07 | 1997-01-29 | Oneac Corporation | External backup power supply |
| CN104901090B (zh) * | 2015-06-01 | 2017-03-08 | 佛山市顺德区信辉达电子有限公司 | 一种转换电压型漏电保护插头 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB860094A (en) * | 1958-11-13 | 1961-02-01 | London Electricity Board | Improvements in or relating to time interval measurement |
| US3393360A (en) * | 1964-06-09 | 1968-07-16 | Army Usa | Device for testing the critical open time of contacts in an electronic circuit |
| FR1566184A (enExample) * | 1967-11-29 | 1969-05-09 |
-
1971
- 1971-04-23 GB GB2120170A patent/GB1333918A/en not_active Expired
- 1971-04-27 US US00137771A patent/US3745453A/en not_active Expired - Lifetime
- 1971-04-30 FR FR7115580A patent/FR2088286B1/fr not_active Expired
- 1971-04-30 DE DE19712121239 patent/DE2121239A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3745453A (en) | 1973-07-10 |
| FR2088286A1 (enExample) | 1972-01-07 |
| FR2088286B1 (enExample) | 1973-10-19 |
| GB1333918A (en) | 1973-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2121239A1 (de) | Funktionsprüfgerät für Erdschluß-Leistungsschalter | |
| DE1043479B (de) | Elektrisches Relaisschutzsystem | |
| DE1538383B2 (de) | Statisches Distanzschutzrelais | |
| DE1591882A1 (de) | Fehlerortungsgeraet fuer elektrische Verteilernetze | |
| DE2653453C3 (de) | Schaltungsanordnung für eine aus der Netzspannung über Gleichrichterelemente abgeleitete Hilfsspannung für mehrpolige Fehlerstrom-Schutzschalter | |
| DE2943725C2 (de) | Verfahren zur Prüfung einer Fehlerstromschutzeinrichtung mit einem Summenstromwandler und Einrichtungen zur Durchführung des Verfahrens | |
| DE2539568A1 (de) | Statisches ueberstromrelais | |
| DE2235944A1 (de) | Vorrichtung zur bestimmung des effektivwertes einer pulsierenden elektrischen groesse | |
| DE1146127B (de) | Schaltungsanordnung zum Pruefen von Leitungen in Fernmelde-, insbesondere Fernsprechanlagen | |
| DE2526649A1 (de) | Erdschlusschutzeinrichtung | |
| DE3885703T2 (de) | Zusatzmodul zur erdschlussermittlung. | |
| DE3738493C2 (de) | Fehlerortungseinrichtung | |
| DE2105492B2 (de) | Elektronischer wechselstrom-zaehler | |
| DE1915455A1 (de) | Sicherheitseinrichtung zur Verwendung in Verbindung mit elektrischen Installationen | |
| DE2938068C2 (enExample) | ||
| DE3122042C2 (de) | Verfahren und Prüfschaltung zur ErdschluOüberprüfung spannungsfreier Kabelstrecken | |
| DE2937948A1 (de) | Schaltungsanordnung, insbesondere fuer mehrpolige fehlerstromschutzschalter | |
| DE1075675B (de) | Relaiskoppler mit Entkoppel gleichnchtern | |
| AT347527B (de) | Einrichtung zum schutz der staenderwicklung von synchrongeneratoren gegen erdschluesse | |
| DE426299C (de) | Selbsttaetige Wiedereinschaltvorrichtung fuer selbsttaetige Schalter | |
| AT237720B (de) | Verfahren und Vorrichtung zur Überwachung und Lokalisierung von Erdschlüssen in elektrischen Netzen | |
| DE3815824A1 (de) | Schaltungsanordnung zur erzeugung mindestens einer stromproportionalen spannung mit mindestens einem shunt | |
| DE631222C (de) | Gestellschlussschutzanordnung zur Erfassung des Gestellschlusses am Sternpunkt oder in unmittelbarer Naehe des Sternpunktes der Wicklungen mehrphasiger Maschinen und Apparate | |
| AT231518B (de) | Schaltungsanordnung zur Prüfung des Belegungszustandes und zur Sperrung von Prüfleitungen in Fernmelde-, insbesondere Fernsprechanlagen | |
| DE1172754B (de) | Steuergeraet fuer Synchronschalter |